All vulnerabilities

Servers and applications

CVE-2026-10086

GitLab has remediated an issue in GitLab EE affecting all versions from 16.4 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary client-side code in the context of another user's session, due to improper sanitization of user-supplied input.

Severity
Medium 5.4
Published
25 Jun 2026
Last changed
26 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
18.11.6, 19.0.3
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 16.4.0 before 18.11.6
  • From 19.0.0 before 19.0.3
  • Version 19.1.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-10086
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-10086